Patents by Inventor Isabel M. Lima

Isabel M. Lima has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 7794601
    Abstract: Chars may be produced by carbonization or pyrolysis of poultry manure. Chars produced from poultry manure by the method described herein exhibit enhanced activity for metal ion adsorption.
    Type: Grant
    Filed: April 11, 2008
    Date of Patent: September 14, 2010
    Assignee: The United States of America, as represented by the Secretary of Agriculture
    Inventors: Isabel M. Lima, Wayne E. Marshall
  • Patent number: 7524795
    Abstract: Activated carbons may be produced by carbonization of poultry manure, followed by activation of carbonized manure. Carbons produced from poultry manure by the method described herein exhibit enhanced activity for metal ion adsorption.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: April 28, 2009
    Assignee: The United States of America as represented by the Secretary of the Agriculture
    Inventors: Isabel M. Lima, Wayne E. Marshall